Distance between cities › USA › Illinois › Rio, IL › Distance from Rio to Roscoe Book Hotels

Distance from Rio, IL to Roscoe, MT

Distance

1,211 mi

Time

21 hours 22 mins

Gas Cost

$113 - $219

There are 1,002.28 miles from Rio to Roscoe in northwest direction and 1,211 miles (1,948.92 kilometers) by car, following the I-90 route.

Rio and Roscoe are 21 hours 22 mins far apart, if you drive non-stop .

This is the fastest route from Rio, IL to Roscoe, MT.

Please note the time difference between Rio, IL and Roscoe, MT is 1 hour. The current time in Rio is 6:16 am and the current time in Roscoe is 5:16 am.

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Lowest Price Rental Cars in Rio, IL

Planning on renting a car to go from Rio, IL to Roscoe, MT? Here there are some offers to rent a car in Rio, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Rio »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 48.64 gallons of gas to cover the route between Rio, IL and Roscoe, MT.

The estimated cost of gas to go from Rio to Roscoe is $158.66.

During the route, an average car will release 952.91 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Rio, IL and Roscoe, MT

If you want to meet halfway between Rio, IL and Roscoe, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.80464 and -99.357944, or 43º 48' 16.704" N, 99º 21' 28.5984" W. This location is 605.54 miles away from Rio, IL and Roscoe, MT and it would take approximately 10 hours 41 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Chamberlain, SD, situated 622 miles from Rio, IL and 590 miles from Roscoe, MT. It would take 11 hours 3 mins to go from Rio to Chamberlain and 10 hours 26 mins to go from Roscoe to Chamberlain.